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支气管扩张症是一种较常见的呼吸系统疾病,是指直径>2 mm中等大小的近端支气管由于管壁肌肉和弹性组织破坏引起的异常扩张。大多继发于急、慢性呼吸道感染和支气管阻塞
Bronchiectasis is a more common respiratory disease and refers to the abnormal expansion of a proximal bronchia of medium size <2 mm in diameter due to disruption of muscle and elastic tissue in the wall. Mostly secondary to acute, chronic respiratory infections and bronchial obstruction